MicroLinks VT300 - user guide - Manual (Page 6)

4
[please refer to item (2) of Section 1.4]. In Video REC mode
[please refer to item (3) of Section 1.4], the button is used to
start/stop recording video.
(2) Zoom Out : the button is applied to zoom out digital image
[please refer to (F)and (G) of item (1) of Section 1.4].
(3) Zoom In : the button is applied to zoom in digital image.
(4) Charging Display Light : The red light is to show the
charging status if it is on. The red light will turn off when
the charging is completed [please refer to (G) of item (1) of
Section 1.4].
(5) Power Supply Display Light : a green light to show the
machine is switched on.
(6) Power Supply : press the button for 3 seconds to switch
on/off the machine
(7) Progressive-Brightness of Lights / : brightness can be
adjusted at 8 levels [please refer to (D) of item (1) of Section
1.4]. In observing mode, the button is used to increase
brightness of illumination (auxiliary sources). In the video